mersenne twister

The old LCG (linear congruential generator) represents the best and simplest pseudo-random number generator algorithm. The main reason is that it is easy to understand, easy to implement, and fast.   The LCG algorithm is based on the formula: X (n +

The random numbers we speak of actually imply pseudo random numbers. Many friends may think of the C language rand (), unfortunately, this function produces random number of randomness is very poor, and the speed is very slow, I believe almost not

Comparison between functions rand and mt_rand in PHP. PHP functions rand and mt_randmt_rand () are four times faster than rand (). The old libc random number generator has some uncertain and unknown features and is very slow. PHP rand () functions

PHP functions rand and mt_rand　　 Mt_rand () is four times faster than rand ()　　 Many old libc random number generators have some uncertain and unknown features and are very slow. The rand () function of PHP uses the libc random number generator by

Mt_rand () is four times faster than rand (). many old libc random number generators have some uncertain and unknown features and are very slow. The rand () function of PHP uses the libc random number generator by default. The mt_rand () function is

Mt_rand () is four times times faster than Rand (), and many of the old libc random number generators have some uncertainties and unknown characteristics and are slow. The rand () function of PHP uses the libc random number generator by default. The

PHP Functions Rand and Mt_rand 　　 Mt_rand () four times times faster than Rand () 　　 Many old libc random number generators have some uncertainties and unknown properties and are slow. The rand () function of PHP uses the libc random number

PHP functions rand and mt_rand 　　 Mt_rand () is four times faster than rand () 　　 Many old libc random number generators have some uncertain and unknown features and are very slow. The rand () function of PHP uses the libc random number generator

Mt_rand () is four times faster than rand (). many old libc random number generators have some uncertain and unknown features and are very slow. The rand () function of PHP uses the libc random number generator by default. The mt_rand () function is

Mt_rand () is four times times faster than Rand (), and many of the old libc random number generators have some uncertainties and unknown characteristics and are slow. The rand () function of PHP uses the libc random number generator by default. The